Prior Prison Record
#505775, 8-year sentence for 1 count of Possession of a Controlled Substance; 06/16/89 released on Pre-Parole; 09/19/89 release on Parole; 02/22/97 received Clemency Discharge.

Summary of Incident
On 05/19/98 in Lubbock, Texas, Yowell shot his father, strangled his mother with a cord, and set fire to their house. The victim's grandmother died several days later from injuries sustained because she was disabled and unable to get out of the house.